CN109808668A - Electromechanical braking system including parking lock - Google Patents

Electromechanical braking system including parking lock Download PDF

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Publication number
CN109808668A
CN109808668A CN201811331240.4A CN201811331240A CN109808668A CN 109808668 A CN109808668 A CN 109808668A CN 201811331240 A CN201811331240 A CN 201811331240A CN 109808668 A CN109808668 A CN 109808668A
Authority
CN
China
Prior art keywords
electric motor
braking system
teeth parts
electromechanical braking
actuating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811331240.4A
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Chinese (zh)
Inventor
D·B·安塔奈蒂斯
M·T·里埃夫
K·D·康纳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Publication of CN109808668A publication Critical patent/CN109808668A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/66—Wedges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2127/00—Auxiliary mechanisms
    • F16D2127/06—Locking mechanisms, e.g. acting on actuators, on release mechanisms or on force transmission mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2129/00—Type of operation source for auxiliary mechanisms
    • F16D2129/06—Electric or magnetic
    • F16D2129/08—Electromagnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2129/00—Type of operation source for auxiliary mechanisms
    • F16D2129/06—Electric or magnetic
    • F16D2129/10—Motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Regulating Braking Force (AREA)

Abstract

Electromechanical braking system includes clamp, the electric motor for being installed to clamp, the teeth parts for being mechanically connected to electric motor, the actuator by caliper support, and actuator includes actuating component and the controller for being operably connected to actuator.Controller is operable selectively engage actuating component with teeth parts, to positioningly lock the first caliper member relative to the second caliper member.

Description

Electromechanical braking system including parking lock
Introduction
This disclosure relates to braking system fields, relate more specifically to a kind of dynamo-electric brake including parking lock.
Electromechanical braking system operates brake actuator or clamp by electric signal.Electric signal driven motor, the motor drive The dynamic gear train for being connected to clamp.Motor keeps clamp mobile, to drive brake pad together with rotor.Motor does not include locking Feature.Thus, stopping brake is provided using individual mechanical system.In general, individually mechanical system includes by clamping force It is transmitted to the cable or hydraulic pipe of clamp.The use of cable and/or hydraulic device increases the totle drilling cost of braking system and answers Polygamy.Thus, providing a kind of braking system that stopping brake can be integrated into electromechanical braking system is desirably.
Summary of the invention
One side accoding to exemplary embodiment, electromechanical braking system include: including the first caliper member and the second clamp The clamp of component, the electric motor for being installed to clamp, the teeth parts for being mechanically connected to electric motor, the cause by caliper support Dynamic device, which includes actuating component and the controller for being operably connected to actuator.Controller is operable with choosing Engage actuating component with teeth parts to selecting property, to positioningly lock the first caliper member relative to the second caliper member.
Other than one or more features described herein, further includes: wherein actuator include solenoid and Actuating component includes solenoid plunger.
Other than one or more features described herein, further includes: wherein teeth parts include: including several The parking gear of tooth element, each of several tooth elements include relative to teeth parts radius with non-zero angle extend extremely A few surface.
Other than one or more features described herein, further includes: wherein actuating component includes terminal part, The terminal part includes angled surface.
Other than one or more features described herein, further includes: be operably connected to actuating component Biasing element, the biasing element make actuating component be biased to one in expansion configuration and non-deployed configuration.
Other than one or more features described herein, further includes: wherein the biasing element makes actuating component It is biased in each of expansion configuration and non-deployed configuration.
Other than one or more features described herein, further includes: wherein the biasing element includes eccentric bullet Spring.
Another aspect accoding to exemplary embodiment, vehicle include: main body, the prime mover for being connected to main body, are connected to original Several wheels of motivation, and the electromechanical braking system at least one of being operably connected to several wheels.Electromechanical braking It is system includes: clamp including the first caliper member and the second caliper member, is installed to clamp electric motor, mechanically connected Teeth parts to electric motor, the actuator by caliper support, actuator include actuating component and are operably connected to cause The controller of dynamic device.Controller is operable selectively engage actuating component with teeth parts, thus relative to Two caliper members positioningly lock the first caliper member.
Other than one or more features described herein, further includes: actuator includes solenoid and activates Component includes solenoid plunger.
Other than one or more features described herein, further includes: wherein teeth parts include parking gear, The parking gear includes several tooth elements, and each of several tooth elements include the radius relative to teeth parts with non-zero angle At least one surface extended.
Other than one or more features described herein, further includes: wherein actuating component includes terminal part, The terminal part includes angled surface.
Other than one or more features described herein, further includes: be operably connected to actuating component Biasing element, the biasing element make actuating component be biased to one in expansion configuration and non-deployed configuration.
Other than one or more features described herein, further includes: wherein the biasing element makes actuating component It is biased in each of expansion configuration and non-deployed configuration.
Other than one or more features described herein, further includes: wherein the biasing element includes eccentric bullet Spring.
Another aspect accoding to exemplary embodiment, a kind of method packet that stopping brake is applied to electromechanical braking system Include: actuating electric motor rotates teeth parts with electric motor, clamping force is applied to braking by the rotation of teeth parts Disk makes actuator be powered so that actuating element, and the rotation with actuating element lock gear element is unfolded.
Other than one or more features described herein, further includes: deactivate electric motor.
Other than one or more features described herein, further includes: activate electric motor again not discharge cause Further teeth parts are rotated in the case where dynamic element.
Other than one or more features described herein, further includes: activate electric motor, release actuating member again Part, and deactivate electric motor.
When considered in conjunction with the accompanying drawings, the These characteristics and advantage and other features and advantages of present disclosure will be from following Detailed description in become apparent.
Detailed description of the invention
Other features, advantage and details only appear in the following detailed description in an illustrative manner, detailed description reference Attached drawing, in which:
The one side of Fig. 1 accoding to exemplary embodiment depicts the vehicle including electromechanical braking system, the electromechanical braking system System includes parking lock.
The one side of Fig. 2 accoding to exemplary embodiment depicts the electromechanical braking clamp including parking lock；
The one side of Fig. 3 accoding to exemplary embodiment depicts the block diagram of parking lock control system；
Fig. 4 is the schematic diagram of parking lock of the one side in expansion configuration accoding to exemplary embodiment；
Fig. 5 is the schematic diagram for the parking lock that one side accoding to exemplary embodiment is in non-deployed configuration；And
Fig. 6 be one side accoding to exemplary embodiment describe will parking lock be applied to dynamo-electric brake method process Figure.
Specific embodiment
It is merely exemplary in descriptive nature below and is not intended to limit present disclosure, its application or purposes.It should What is understood is that throughout the drawings, corresponding reference label indicates similar or corresponding component and feature.As used herein, art Language module refers to processing circuit, may include that specific integrated circuit (ASIC), electronic circuit, processor are (shared, dedicated Or grouping) and execute the memories of one or more softwares or firmware program, combinational logic circuit and/or the function be provided Other of energy property are suitble to components.
One side accoding to exemplary embodiment, vehicle totally indicate in Fig. 1 with 10.Vehicle 10 includes main body 12, It at least partially defines passenger compartment 14.Vehicle 10 is also shown to include prime mover 16, can take internal combustion engine, electronic horse It reaches, the forms such as hybrid electric motor.Prime mover 16 is mechanically connected to several wheels 20 by speed changer (not shown).Number A wheel 20 includes front-wheel 22 and rear-wheel 24.Depending on design parameter, prime mover 16 can be drivingly connected to front-wheel 22 and/or Rear-wheel 24.The electromechanical braking system 40 for being shown as and connecting with rear-wheel 24 can be set in vehicle 10.It should be understood that front-wheel 22 It may also include corresponding electromechanical braking system.
It with reference to Fig. 2 and continues to refer to figure 1, electromechanical braking system 40 includes the clamp 44 of support electric motor 48.Selectivity Ground actuating electric motor 48 transmits clamping force so that clamp 44 move on a pair of pin (one of pin with 50 to indicate) Slow down the movement of vehicle 10 to brake disc (not shown).As shown in figure 4, electric motor 48 is mechanically connected to teeth parts 51.Teeth parts 51 can either directly or indirectly be driven by electric motor 48, and clamping force is transmitted to brake disc.
According to an illustrative aspect, electromechanical braking system 40 includes the parking lock 54 for being installed to clamp 44.Parking lock 54 Including actuator 56, there is the actuating component 58 (Fig. 4) for being selectively engaged teeth parts 51.Parking lock 54 operationally connects It is connected to parking lock control system 60, activates actuator 56 60 property of can choose of parking lock control system with disconnected in electric motor The movement of vehicle 10 is prevented when electric.
With reference to Fig. 3, the lock control system 60 that stops may include that can receive the control module 62 of parking lock order and can make to cause The actuating module 64 that dynamic device 56 is powered.Parking lock control system 60 can be operatively attached to brake ac-tuating mechanism 68, the system Dynamic actuating mechanism 68 can take the form of brake switch 70 and sensor 73, and brake switch 70 can be pedal, button, soft open Close etc., sensor 73 determines the actuating state of parking lock 54.Parking lock control system 60 is also operatively connected to actuating Device 56 and output element 78, the output element 78 can provide instruction expansion parking lock 54 visual signal, audible signal and/or One or more of output signal.
With reference to Fig. 4 and Fig. 5 and continuing to refer to figure 1 to Fig. 3, actuator 56 can take the form of electrical solenoid 90, and Actuating component 58 can take the form of solenoid plunger 92.Teeth parts 51 may include the parking tooth with several tooth elements Wheel 96, one in these tooth elements indicates with 100.Each tooth element 100 includes at least one surface 104, this at least one A surface 104 relative to teeth parts 51 radius " R " at a non-zero angle.Solenoid plunger 92 includes having angled surface 112 terminal 110.Angled surface 112 is not (also independent relative to the horizontal axis of the longitudinal axis (not separately labeled) and solenoid plunger 92 Label) with angle extension.
Solenoid 90 includes biasing element, is schematically illustrated in Fig. 4 and Fig. 5 with 120, which pushes spiral shell Spool plunger 92 configures (Fig. 4) and non-deployed configuration (Fig. 5) towards expansion.Biasing element 120 can take eccentric spring 123 Form.It is to be understood, of course, that biasing element 120 can take many forms comprising only towards expansion configuration and non-exhibition Open those of a promotion solenoid plunger in configuration form.In expansion configuration, solenoid plunger 92 engages parking gear 96 maintain electromechanical braking system 40 in brake arrangement to prevent the rotation of teeth parts 51.
Fig. 6 will be then referred to now, will be continued to refer to figure 1 to Fig. 5, described according to an illustrative aspect using electromechanical system The method 140 of the parking lock 54 of dynamic system 40.In frame 142, electric motor 48 is activated, applies so as to cause clamp 44 and prevents vehicle The clamping forces of 10 movements.In frame 144, parking lock signal is received by parking lock control system 60, so as to cause actuating mould Block 64 makes actuator 56 be powered, so that actuating component 58 engages parking gear 96.In frame 146, what electric motor 48 was powered off, To allow clamp 44 to discharge, vehicle load is carried by parking gear 96.Signal can be connect by output element 78 It receives, to indicate that parking lock 54 is to be in be activated state.
In frame 148, parking lock control system 60 can signal to actuating module 64 to activate electromechanical braking system again System 40 simultaneously applies additional clamping force by clamp 44.The actuating again of electromechanical braking system 40 can be from deactivated about 3-5 points Occur after the period of clock.Additional clamping force can cause the rotation of teeth parts 51, so that the control of actuating component 58 stops Skiving wheel 96.In the manner, adjustable electromechanical braking system 40 is not in the case where discharging parking lock control system 60 Adapt to any size variation for the brake component that may occur due to cooling.
In frame 160, it is determined whether parking lock release signal has been received.If receiving release signal, in frame So that motor 48 is powered in 162, apply clamping force so as to cause clamp 44 and releases the pressure from parking gear 96.In frame In 164, so that actuating component 58 is transformed into deactivated configuration, and in frame 166, powers off electric motor 48, to discharge clamp 44, vehicle 10 is moved.
Although disclosure above is described by reference to exemplary embodiment, technology people in the art Member can make a variety of changes it will be appreciated that in the case where without departing from the scope and can replace its yuan with equivalent Part.In addition, without departing from the essential scope thereof, many modify so that specific situation or material adapt to this can be made The introduction of disclosure.It thus, it is intended that present disclosure is not limited to disclosed specific embodiment, but will include falling into All embodiments within the scope of its.

Claims (10)

1. a kind of electromechanical braking system comprising:
Clamp including the first caliper member and the second caliper member；
It is installed to the electric motor of the clamp；
It is mechanically connected to the teeth parts of the electric motor；
By the actuator of the caliper support, the actuator includes actuating component；And
It is operably connected to the controller of the actuator, the controller is operable selectively to make the actuating Component is engaged with the teeth parts, to positioningly lock first caliper member relative to second caliper member.
2. electromechanical braking system according to claim 1, wherein the actuator includes solenoid and the actuating structure Part includes solenoid plunger.
3. electromechanical braking system according to claim 1, wherein the teeth parts include parking gear, the parking tooth Wheel includes several tooth elements, and each of described several tooth elements include the radius relative to the teeth parts with non-zero angle At least one surface extended.
4. electromechanical braking system according to claim 3, wherein the actuating component includes terminal part, the terminal part Dividing includes angled surface.
5. electromechanical braking system according to claim 1, further comprising: being operably connected to the actuating component Biasing element, the biasing element make the actuating component be biased in expansion configuration and non-deployed configuration in one.
6. electromechanical braking system according to claim 5, wherein the biasing element is in expansion configuration and described non- The actuating component is biased in each of expansion configuration.
7. electromechanical braking system according to claim 6, wherein the biasing element includes eccentric spring.
8. a kind of method that parking lock is applied to dynamo-electric brake comprising:
Activate electric motor；
Teeth parts are rotated with the electric motor；
Clamping force is applied to brake disc by the rotation of the teeth parts；
Actuator is set to be powered so that the actuating element is unfolded；And
The rotation of the teeth parts is locked with the actuating element.
9. method according to claim 8, further comprising:
Deactivate the electric motor；And
Again the electric motor is activated in the case where not discharging the actuating element revolve further the teeth parts Turn.
10. method according to claim 8, further comprising:
Deactivate the electric motor；
Again the electric motor is activated；
Discharge the actuating element；And
Deactivate the electric motor.
CN201811331240.4A 2017-11-22 2018-11-09 Electromechanical braking system including parking lock Pending CN109808668A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/820,750 US20190152460A1 (en) 2017-11-22 2017-11-22 Electromechanical brake system including a parking lock
US15/820750 2017-11-22

Publications (1)

Publication Number Publication Date
CN109808668A true CN109808668A (en) 2019-05-28

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Application Number Title Priority Date Filing Date
CN201811331240.4A Pending CN109808668A (en) 2017-11-22 2018-11-09 Electromechanical braking system including parking lock

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US (1) US20190152460A1 (en)
CN (1) CN109808668A (en)
DE (1) DE102018129081A1 (en)

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KR20210054765A (en) * 2019-11-06 2021-05-14 주식회사 만도 Actuator for parking brake
KR20210054762A (en) * 2019-11-06 2021-05-14 주식회사 만도 Actuator for parking brake

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